What is hydrocele primarily characterized by?

Hydrocele is primarily characterized by an abnormal accumulation of fluids in a sac-like structure, specifically around the testicle within the scrotum. This condition leads to swelling, as the fluid-filled sac creates a noticeable enlargement in the affected area. A hydrocele can occur due to various reasons, such as congenital factors or as a result of injury, inflammation, or infection, although it is typically not caused by infectious processes. It is important to recognize that while this condition involves fluid collection, it is not associated with cancerous growths or inflammation of the reproductive organs, which distinguishes it from the other options. The identification of hydrocele relies on understanding its nature as a fluid accumulation rather than any inflammatory or infectious processes.